EP1801691A4 - Méthode de codage d'informations, méthode de décodage, méthode d'estimation de multiplicateur commun, dispositif utilisant ces méthodes, programme et support d'enregistrement - Google Patents

Méthode de codage d'informations, méthode de décodage, méthode d'estimation de multiplicateur commun, dispositif utilisant ces méthodes, programme et support d'enregistrement

Info

Publication number
EP1801691A4
EP1801691A4 EP05793612A EP05793612A EP1801691A4 EP 1801691 A4 EP1801691 A4 EP 1801691A4 EP 05793612 A EP05793612 A EP 05793612A EP 05793612 A EP05793612 A EP 05793612A EP 1801691 A4 EP1801691 A4 EP 1801691A4
Authority
EP
European Patent Office
Prior art keywords
program
methods
recording medium
information encoding
common multiplier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05793612A
Other languages
German (de)
English (en)
Other versions
EP1801691B1 (fr
EP1801691A1 (fr
Inventor
Noboru Harada
Hiroshi Sekigawa
Takehiro Moriya
Kiyoshi Shirayanagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of EP1801691A1 publication Critical patent/EP1801691A1/fr
Publication of EP1801691A4 publication Critical patent/EP1801691A4/fr
Application granted granted Critical
Publication of EP1801691B1 publication Critical patent/EP1801691B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
EP05793612.2A 2004-10-15 2005-10-14 Méthode de codage d'informations, méthode de décodage, méthode d'estimation de multiplicateur commun, dispositif utilisant ces méthodes, programme et support d'enregistrement Active EP1801691B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004329735 2004-10-15
JP2004329736 2004-10-15
PCT/JP2005/018978 WO2006041165A1 (fr) 2004-10-15 2005-10-14 Méthode de codage d’informations, méthode de décodage, méthode d’estimation de multiplicateur commun, dispositif utilisant ces méthodes, programme, et support d’enregistrement

Publications (3)

Publication Number Publication Date
EP1801691A1 EP1801691A1 (fr) 2007-06-27
EP1801691A4 true EP1801691A4 (fr) 2008-05-14
EP1801691B1 EP1801691B1 (fr) 2019-04-10

Family

ID=36148451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05793612.2A Active EP1801691B1 (fr) 2004-10-15 2005-10-14 Méthode de codage d'informations, méthode de décodage, méthode d'estimation de multiplicateur commun, dispositif utilisant ces méthodes, programme et support d'enregistrement

Country Status (5)

Country Link
US (1) US7408481B2 (fr)
EP (1) EP1801691B1 (fr)
JP (1) JP4324200B2 (fr)
CN (1) CN101036113B (fr)
WO (1) WO2006041165A1 (fr)

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US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
KR100996704B1 (ko) * 2006-11-06 2010-11-25 삼성전자주식회사 버퍼 크기 정보의 전송 방법
CN101355688A (zh) * 2007-07-26 2009-01-28 华为技术有限公司 用于iptv的频道选择方法、合成编码装置和机顶盒
US8301803B2 (en) 2009-10-23 2012-10-30 Samplify Systems, Inc. Block floating point compression of signal data
JP5997480B2 (ja) * 2012-03-30 2016-09-28 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP5840101B2 (ja) * 2012-10-01 2016-01-06 日本電信電話株式会社 符号化方法、符号化装置、復号方法、復号装置、プログラム及び記録媒体
US9087398B2 (en) * 2012-12-06 2015-07-21 Nvidia Corporation System and method for compressing bounding box data and processor incorporating the same
US9608664B2 (en) * 2013-12-30 2017-03-28 International Business Machines Corporation Compression of integer data using a common divisor
US9628107B2 (en) 2014-04-07 2017-04-18 International Business Machines Corporation Compression of floating-point data by identifying a previous loss of precision
US9350384B2 (en) 2014-09-30 2016-05-24 International Business Machines Corporation Hierarchical data compression and computation
US9959299B2 (en) 2014-12-02 2018-05-01 International Business Machines Corporation Compression-aware partial sort of streaming columnar data
US10909078B2 (en) 2015-02-25 2021-02-02 International Business Machines Corporation Query predicate evaluation and computation for hierarchically compressed data
US20180145701A1 (en) * 2016-09-01 2018-05-24 Anthony Ben Benavides Sonic Boom: System For Reducing The Digital Footprint Of Data Streams Through Lossless Scalable Binary Substitution
CN110992672B (zh) * 2019-09-25 2021-06-29 广州广日电气设备有限公司 红外遥控器学习及编码方法、红外遥控器系统及存储介质
US11301247B2 (en) * 2019-12-19 2022-04-12 Marvell Asia Pte Ltd System and method for handling floating point hardware exception

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US5839100A (en) * 1996-04-22 1998-11-17 Wegener; Albert William Lossless and loss-limited compression of sampled data signals
US5768170A (en) * 1996-07-25 1998-06-16 Motorola Inc. Method and apparatus for performing microprocessor integer division operations using floating point hardware
JP3383202B2 (ja) * 1997-11-05 2003-03-04 シャープ株式会社 ディジタルデータの復号化方法および復号化装置
US6043763A (en) * 1998-03-12 2000-03-28 Liquid Audio, Inc. Lossless data compression with low complexity
CN1762099B (zh) * 2003-04-28 2010-10-13 日本电信电话株式会社 浮点数字信号的可逆编码方法、解码方法及其装置
CN1781253B (zh) * 2003-06-20 2012-01-25 日本电信电话株式会社 浮点格式的数字信号的无损编码方法、解码方法及其装置
EP1662667B1 (fr) * 2003-09-02 2015-11-11 Nippon Telegraph And Telephone Corporation Procede de codage reversible d'un signal en virgule flottante, procede de decodage, dispositif associe, logiciel et support d'enregistrement associe

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
DAI YANG ET AL: "A lossless audio compression scheme with random access property", ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2004. PROCEEDINGS. (ICASSP '04). IEEE INTERNATIONAL CONFERENCE ON MONTREAL, QUEBEC, CANADA 17-21 MAY 2004, PISCATAWAY, NJ, USA,IEEE, vol. 3, 17 May 2004 (2004-05-17), pages 1016 - 1019, XP010718365, ISBN: 0-7803-8484-9 *
KARCANIAS N ET AL: "Computation of the least common multiple of a set of polynomials: symbolic and numerical approaches", IEE COLLOQUIUM ON SYMBOLIC COMPUTATION FOR CONTROL, 17 June 1999 (1999-06-17), pages 11 - 1, XP006501222 *
NOBORU HARADA ET AL: "Proposal of CE for improved floating-point compression using ACFC (Approximate-Common-Factor Coding) in ALS (Audio Lossless Coding)", VIDEO STANDARDS AND DRAFTS, 13 October 2004 (2004-10-13), XP030040088 *
See also references of WO2006041165A1 *
WATERMAN M S: "Multidimensional greatest common divisor and Lehmer algorithms", BIT (NORDISK TIDSKRIFT FOR INFORMATIONSBEHANDLING) SWEDEN, vol. 17, no. 4, 1977, pages 465 - 478, XP002473583, ISSN: 0006-3835 *
YANG D ET AL: "Lossless compression for audio data in the IEEE floating-point format", PREPRINTS OF PAPERS PRESENTED AT THE AES CONVENTION, XX, XX, 10 October 2003 (2003-10-10), pages 1 - 5, XP002402964 *

Also Published As

Publication number Publication date
EP1801691B1 (fr) 2019-04-10
US7408481B2 (en) 2008-08-05
WO2006041165A1 (fr) 2006-04-20
JPWO2006041165A1 (ja) 2008-05-22
CN101036113A (zh) 2007-09-12
CN101036113B (zh) 2010-11-03
EP1801691A1 (fr) 2007-06-27
US20070257824A1 (en) 2007-11-08
JP4324200B2 (ja) 2009-09-02

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